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MySQL - WHERE clause

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Created by:
maxsior322
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In this article, we would like to show you how to use WHERE clause in MySQL.

Quick solution:

Practical example

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To show how the WHERE clause works, we will use the following table:

MySQL - example data used with WHERE clause
MySQL - example data used with WHERE clause

Note:

At the end of this article you can find database preparation SQL queries.

Example 1

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In this example, we will display information about every user whose salary is greater than 3000.

Query:

Output:

MySQL - SELECT with WHERE clause result
MySQL - SELECT with WHERE clause result

Example 2

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In this example, we will display information about every user whose name is John.

Query:

Output:

MySQL - SELECT with WHERE clause result
MySQL - SELECT with WHERE clause result

Note:

MySQL requires single quotes ('') around text values.

Database preparation

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create_tables.sql file:

insert_data.sql file:

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